All-time weather records — Susanville, CA

Record high
106.0°F
July 19, 1931
Record low
-23.1°F
February 1, 1956
Wettest day
10.00 in
February 18, 1994

Climate change signal in Susanville

7.7%

of Susanville's all-time daily heat records were set in the last decade (28 of 366 records since 2015).

5.5%

of all-time daily cold records were set in the last decade (20 of 366 records since 2015).

If records were spread evenly across the station's history, you'd expect roughly 5% per decade. Decade-by-decade, here's where each record-breaking day was set:

Decade Heat records set # Cold records set #
1890s
9
4
1900s
5
38
1910s
45
28
1920s
28
5
1930s
71
11
1940s
19
43
1950s
28
74
1960s
34
50
1970s
31
32
1980s
26
15
1990s
19
41
2000s
12
3
2010s
20
6
2020s
19
16

Records are the all-time daily extremes that are still standing — each daily record can only be held by one year. The station's earliest hot record was set in 1896, the latest in 2026. Period of observation: 1893-2026.

Records by month

Month Hottest day Coldest day Wettest day
January 68.0°F — Jan 30, 2003 -22.0°F — Jan 18, 1952 5.04 in — Jan 31, 1897
February 69.1°F — Feb 17, 1977 -23.1°F — Feb 1, 1956 10.00 in — Feb 18, 1994
March 82.0°F — Mar 23, 2026 -11.9°F — Mar 16, 2026 3.76 in — Mar 4, 2009
April 90.0°F — Apr 21, 1931 10.0°F — Apr 20, 2023 1.75 in — Apr 12, 2003
May 96.1°F — May 18, 1954 19.9°F — May 4, 1959 1.75 in — May 26, 2015
June 102.0°F — Jun 16, 1914 25.0°F — Jun 12, 1952 1.44 in — Jun 13, 1958
July 106.0°F — Jul 19, 1931 8.1°F — Jul 19, 1918 1.40 in — Jul 22, 1979
August 105.1°F — Aug 1, 1977 30.9°F — Aug 23, 1960 1.23 in — Aug 17, 1901
September 100.9°F — Sep 2, 1950 18.0°F — Sep 30, 1950 1.45 in — Sep 13, 1895
October 90.0°F — Oct 1, 2010 12.0°F — Oct 30, 2019 4.70 in — Oct 13, 1962
November 82.9°F — Nov 1, 1896 -0.9°F — Nov 13, 1985 3.05 in — Nov 23, 1988
December 64.9°F — Dec 1, 1929 -22.0°F — Dec 9, 1972 3.65 in — Dec 10, 1937

Click a month to see every daily record for that month in Susanville.